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Newish SLX 10-speed mech, new HG94 chain, and newish Deore 11-42 cassette on oldish On One Ringmaster single ring.
All sounded fine until I swapped the chain out like-for-like for a new one. Now it "graunches" when I'm putting some power in and sounds similar to worn bottom bracket bearings. I checked the Hope ceramic bearings and they are as good as new.
Posted : 17/09/2018 3:54 pm
one of the parts is less newish than you might think. I'd start with the chainring.
Posted : 17/09/2018 3:57 pm
Yup, start with chainring
Posted : 17/09/2018 4:59 pm
Also check the routing of the chain through the rear mech
Posted : 17/09/2018 5:00 pm
Same issue. Noise goes as chain beds in to the part worn sprox. Took 3 - 4 rides.
Posted : 17/09/2018 9:57 pm
Chainring needs replacing
Posted : 17/09/2018 10:02 pm